import { login, logout, getInfo } from "@/api/user";
import { getToken, setToken, removeToken } from "@/utils/auth";
import { resetRouter } from "@/router";

const getDefaultState = () => {
	return {
		token: getToken(),
		name: "",
		avatar: ""
	};
};

const state = getDefaultState();

const mutations = {
	RESET_STATE: (state) => {
		Object.assign(state, getDefaultState());
	},
	SET_TOKEN: (state, token) => {
		state.token = token;
	},
	SET_NAME: (state, name) => {
		state.name = name;
	},
	SET_AVATAR: (state, avatar) => {
		state.avatar = avatar;
	}
};

const actions = {
	// user login
	// login({ commit }, userInfo) {
	//   const { username, password } = userInfo
	//   return new Promise((resolve, reject) => {
	//     login({ username: username.trim(), password: password }).then(response => {
	//       const { data } = response
	//       commit('SET_TOKEN', data.token)
	//       setToken(data.token)
	//       resolve()
	//     }).catch(error => {
	//       reject(error)
	//     })
	//   })
	// },

	// user login
	async login({ commit }, userInfo) {
		const { username, password } = userInfo;
		try {
			const { data } = await login({ username: username.trim(), password: password });
			commit("SET_TOKEN", data.token);
			setToken(data.token);
		} catch (error) {
			console.log(error);
		}
	},

	// get user info
	getInfo({ commit, state }) {
		return new Promise((resolve, reject) => {
			getInfo(state.token)
				.then((response) => {
					const { data } = response;

					if (!data) {
						return reject("Verification failed, please Login again.");
					}

					const { name, avatar } = data;

					commit("SET_NAME", name);
					commit("SET_AVATAR", avatar);
					resolve(data);
				})
				.catch((error) => {
					reject(error);
				});
		});
	},

	// user logout
	logout({ commit, state }) {
		return new Promise((resolve, reject) => {
			logout(state.token)
				.then(() => {
					removeToken(); // must remove  token  first
					resetRouter();
					commit("RESET_STATE");
					resolve();
				})
				.catch((error) => {
					reject(error);
				});
		});
	},

	// remove token
	resetToken({ commit }) {
		return new Promise((resolve) => {
			removeToken(); // must remove  token  first
			commit("RESET_STATE");
			resolve();
		});
	}
};

export default {
	namespaced: true,
	state,
	mutations,
	actions
};
